<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=adge">
<title>Document</title>
<script src="vue.js"></script>
<style>
.v-enter,.v-leave-to{
opacity:0;
transform:translateX(100px);
}
.v-enter-active,.v-leave-active{
transition:all 1s ease;
}
</style>
</head>
<body>
<div id="app">
<input type="button" value="动画切换" @click="flag=!flag">
<transition>
<p v-show="flag">我是一个动画效果</p>
</transition>
<!-- 1.把要实现动画的元素，使用transition元素包裹起来 -->
<!-- 2.要实现动画的元素，必须使用v-if或v-show来进行控制 -->
</div>
</body>
<script>
//创建Vue实例，得到ViewModel
var vm=new Vue({
el:"#app",
data:{
flag:true
},
methods:{}
});
</script>
</html>
